diff --git a/src/utils.c b/src/utils.c
index 61ba1de..a290836 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -508,3 +508,16 @@ SYMBOL_EXPORT void DisableCompositor(struct Game* game) {
 	game->handlers.compositor = NULL;
 	ResizeGamestates(game);
 }
+
+SYMBOL_EXPORT char* PunchNumber(struct Game* game, char* txt, char ch, int number) {
+	// TODO: support numbers > 10
+	char* text = strdup(txt);
+	char* tmp = text;
+	while (*tmp) {
+		if (*tmp == ch) {
+			*tmp = '0' + number;
+		}
+		tmp++;
+	}
+	return AddGarbage(game, text);
+}
diff --git a/src/utils.h b/src/utils.h
index 8426d2c..f083b18 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -90,4 +90,6 @@ ALLEGRO_BITMAP* CreateNotPreservedBitmap(int width, int height);
 void EnableCompositor(struct Game* game, void compositor(struct Game* game, struct Gamestate* gamestates));
 void DisableCompositor(struct Game* game);
 
+char* PunchNumber(struct Game* game, char* text, char ch, int number);
+
 #endif